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To define port-based QoS settings:
1. Check Enable Port Based QOS.
2. For each port, select a priority queue number from 0 to 3. Higher priority values are
evaluated as being of higher importance than lower priority values.
3. Click Apply.
C C o o S S M M e e n n u u
Given that there will always be points in the network where multiple traffic streams merge or
where network links will change speed and capacity, it is important to move traffic on the
basis of relative importance. Without CoS prioritization, less important traffic can consume
network bandwidth and slow down or halt the delivery of more important traffic. For example,
without CoS, most traffic received by the Gateway is forwarded with the same priority it had
upon entering the Gateway. In many cases, such traffic is ''normal'' priority and competes for
bandwidth with all other normal-priority traffic, regardless of its relative importance to your
requirements. CoS helps to keep the most important network traffic moving at an acceptable
speed, regardless of current bandwidth usage. This means you can manage available
bandwidth so that the switch transmits the most important traffic first.
Configuring Your Gateway
Figure 23. Port Based QoS Menu
SMCD3GN-RRR Wireless Cable Modem Gateway User Manual
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